Answer:
4950
Step-by-step explanation:
The last digit is two. If the digit (in this case, the last one) is from 1-4, it goes down, if the digit is 5-9 it goes up. An easy way to remember this is singing this song:
<em>4 or less, let it rest. Five or more raise the score</em>
you round down from the 50
-30
-7.65
7.2 feet
plug in x = 3 since we are looking for the height after the 3rd bounce
4(0.6)(3)
4(1.8)
7.2